
Grigor Dimitrov defeated Jack Sock 4-6 6-0 6-3 in the Tour Finals semi-final on hard. The upset overturned the form book — Jack Sock came in leading the head-to-head 3–1. Grigor Dimitrov narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-03-06 | Indian Wells Masters | R32 | hard | Jack Sock | 3-6 6-3 7-6(7) |
| 2015-08-10 | Canada Masters | R32 | hard | Jack Sock | 5-7 7-6(5) 7-5 |
| 2015-05-24 | Roland Garros | R128 | clay | Jack Sock | 7-6(7) 6-2 6-3 |
| 2014-10-13 | Stockholm | QF | hard | Grigor Dimitrov | 5-7 6-4 6-3 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Dimitrov G.: 8 days rest · 4 matches (14d). Higher means fresher. About